Kenwood DV-5700 Service Manual page 20

DV-5700/DVF-R9050/R9050-S
QQ
3 7 63 1515 0
Port No. Port Name
38 SCKI
39 SCKO
40 BCK
41 LRCK
42 TEST
43 VDD
44 DGND
45 DATA1
46 DATA 2
47 DATA 3
48 ZEROA
11. Key Matrix
KEY 0 (Pin2 ) KEY 1 (Pin3 )
OP/CL
SKIP DISC 1
AOP DISC 2
DISC 3
DISC 4
DISC 5
The number inside ( ) is pin number of main u-com (X25, IC1).
TE
DVF-R9050 L 13942296513 Audio Output Block Diagram
* SCART terminals (AV1,2) are available for European model only.
DMIX
AOUT0
X35
-229
AOUT1
AOUT2
IC224
Media vs Switches
Low Pass Filter
110kHz
60kHz
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.
20
CIRCUIT DESCRIPTION
I/O
I System clock input. Input frequency is 128, 192, 256, 384, 512 or 768fs.
O Buffered clock output. (Unused)
I Shift clock input for serial audio data.
I Left and right clock input. This clock is equal to the sampling rate, fs.
- Test pin.
- Digital power supply (+3.3V).
- Digital ground for +3.3V.
I Serial audio data input for Vout1 and Vout2.
I Serial audio data input for Vout3 and Vout4.
I Serial audio data input for Vout5 and Vout6.
O Zero data flag. Logical "AND" of ZERO1 through ZERO6.
KEY 2 (Pin4 )
PLAY
STOP
SKIP DOWN
SKIP UP
PAUSE
IC204
2ch
DAC
IC901
DRIVE
IC205 H : 60k L : 110k
IC902
DRIVE 6ch
IC903 DAC
DRIVE
L.P.F. SW
Serial-
Parallel
BUSS
X25-646
Media
DVD-Audio(fs : 192kHz, 176.4kHz)
All
x ao
y
i
8
Function
Q Q
3 6 7
IC212
SW1 A
L.P.F.
60k
B
L2CH
L.P.F.
60k/110k
L.P.F.
60k
IC801
L.P.F.
60k
H2CH
DVD-Audio(fs : 192kHz, 176.4kHz)
VCD, CD-DA
Others
u163
2 9 9 4
1 3 1 5 0 5 8 2 9
MUTE
MUTE
L.P.F.
MUTE
100kHz
SW2
MUTE
MUTE
CONTROL
L : Buss Management
H : Through
Media
m
co
.
2 8
9 9
9 4 2 8 9 9
MIX
FL. FR
SL. SR
C. SW
AV1
AV2
E TYPE ONLY
SW1
B
A